Slip cover for sleeping mats



FIG. 1 is a perspective view of a slip cover for sleeping mats, with envelope and displayed at the top showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side elevational view with the right side being a mirror image thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a slip cover for sleeping mats, as shown and described. 